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Unisto Pharmaflex

Tamper-evident pull-tight security seal to seal bags and roll cages in industries such as pharmaceuticals, chemicals and food. The Unisto Pharmaflex seal is produced with a special procedure to avoid that small plastic fragments could fall into any kind of container which are used to transport high sensitive goods such as liquids, powders, etc. The seals are packed loose in polybags and afterwards in cardboard boxes. Ribbon diameter 3.8 mm avoids accidental breakage. Numbering and bar-coding for efficient data capture. Available in a variety of colours and ribbon lengths.

Features of this security seal

Type of Seals
Adjustable Lenght Seals
Bags, roll cages
  • Spikes on the ribbon for secure fastening to neck of bag
  • Tear-off facility allows removal of seal without using a tool
  • Customer name/logo for clear identification
  • Laser-marking into plastic, suited for rough handling environment, tamper-proof
  • Loose in polybags and afterwards in cardboard boxes packed

Minimum size


Ribbon/housing: polypropylene (PP)

Locking mechanism: polyoxymethylene (POM)

Tensile strength (loop)
Approx. 26 kg
Colours - Numbered version
Dark blue, dark green, red, grey, yellow, white, black Other colours available on request
Colours - Barcode directly laser marked
White, yellow, apricot, pink, purple, grey, light brown
Colours - Barcode laser marked off white foil
Dark blue, dark green, red, grey Other colours available on request
8 digits
Interleaved 2/5 or barcode 128
Customer name/logo
Foil printed

500 pieces loose per polybag, box of 1000 seals


59.5 x 38.0 x 21.1 cm (0.048 m3), approx. 4.5 kg


59.5 x 38.0 x 21.1 cm (0.048 m3), approx. 5.1 kg


Seals should be stored in original box away from direct sunlight and chemical fumes.

Store at 22°C/50% RH. Typical shelf life of seals made of PP and PA are approx. 18 months from date of manufacture.

Nevertheless please do not order more than an annual quantity.

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